Warning: Permanently added '10.128.0.221' (ED25519) to the list of known hosts. executing program [ 45.353231][ T3566] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 45.723378][ T3566] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 45.733620][ T3566] usb 1-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 45.813362][ T3566] usb 1-1: New USB device found, idVendor=08b7, idProduct=0000, bcdDevice= 0.00 [ 45.822392][ T3566] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=3 [ 45.830397][ T3566] usb 1-1: SerialNumber: syz [ 46.146084][ T3566] usb 1-1: 0:2 : does not exist [ 46.151076][ T3566] ================================================================================ [ 46.160380][ T3566] UBSAN: shift-out-of-bounds in sound/usb/mixer.c:2035:20 [ 46.167504][ T3566] shift exponent 41 is too large for 32-bit type 'int' [ 46.174367][ T3566] CPU: 1 PID: 3566 Comm: kworker/1:3 Not tainted 5.15.167-syzkaller #0 [ 46.182591][ T3566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 46.192625][ T3566] Workqueue: usb_hub_wq hub_event [ 46.197651][ T3566] Call Trace: [ 46.200903][ T3566] [ 46.203806][ T3566] dump_stack_lvl+0x1e3/0x2d0 [ 46.208463][ T3566] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 46.214067][ T3566] ? panic+0x860/0x860 [ 46.218114][ T3566] ? lockdep_hardirqs_on+0x94/0x130 [ 46.223286][ T3566] ? validate_processing_unit+0x3fe/0x600 [ 46.228981][ T3566] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 46.235380][ T3566] parse_audio_unit+0x265a/0x3df0 [ 46.240379][ T3566] ? snd_usb_create_mixer+0x1d1/0x2e70 [ 46.245807][ T3566] ? usb_audio_probe+0x1622/0x2090 [ 46.250890][ T3566] ? usb_set_configuration+0x19dd/0x2020 [ 46.256499][ T3566] ? __device_attach_driver+0x2b9/0x500 [ 46.262019][ T3566] ? __device_attach+0x359/0x570 [ 46.266927][ T3566] ? bus_probe_device+0xba/0x1e0 [ 46.271838][ T3566] ? hub_event+0x2cdf/0x54c0 [ 46.276398][ T3566] ? process_one_work+0x8a1/0x10c0 [ 46.281480][ T3566] ? worker_thread+0xaca/0x1280 [ 46.286299][ T3566] ? kthread+0x3f6/0x4f0 [ 46.290512][ T3566] ? ret_from_fork+0x1f/0x30 [ 46.295078][ T3566] ? mixer_ctl_connector_get+0x1b0/0x1b0 [ 46.300698][ T3566] ? snd_usb_find_csint_desc+0x20f/0x220 [ 46.306303][ T3566] ? snd_usb_validate_audio_desc+0x438/0x4e0 [ 46.312258][ T3566] snd_usb_create_mixer+0x1235/0x2e70 [ 46.317622][ T3566] ? snd_usb_mixer_notify_id+0x2b0/0x2b0 [ 46.323236][ T3566] ? _dev_err+0x11e/0x170 [ 46.327541][ T3566] ? usb_ifnum_to_if+0x121/0x2d0 [ 46.332452][ T3566] ? usb_audio_probe+0xe8a/0x2090 [ 46.337446][ T3566] ? _dev_crit+0x170/0x170 [ 46.341834][ T3566] ? usb_audio_resume+0x400/0x400 [ 46.346830][ T3566] ? snd_usb_create_stream+0x385/0x630 [ 46.352258][ T3566] ? snd_usb_find_csint_desc+0x20f/0x220 [ 46.357867][ T3566] usb_audio_probe+0x1622/0x2090 [ 46.362787][ T3566] ? snd_usb_autosuspend+0x1c0/0x1c0 [ 46.368042][ T3566] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 46.373921][ T3566] ? __pm_runtime_set_status+0x7b5/0xb60 [ 46.379537][ T3566] ? pm_runtime_enable+0x1bd/0x300 [ 46.384641][ T3566] usb_probe_interface+0x5c0/0xaf0 [ 46.389733][ T3566] ? usb_register_driver+0x3d0/0x3d0 [ 46.395000][ T3566] really_probe+0x24e/0xb60 [ 46.399483][ T3566] __driver_probe_device+0x1a2/0x3d0 [ 46.404742][ T3566] driver_probe_device+0x50/0x420 [ 46.409747][ T3566] __device_attach_driver+0x2b9/0x500 [ 46.415096][ T3566] ? deferred_probe_work_func+0x230/0x230 [ 46.420786][ T3566] bus_for_each_drv+0x183/0x200 [ 46.425612][ T3566] ? subsys_find_device_by_id+0x310/0x310 [ 46.431391][ T3566] ? lockdep_hardirqs_on+0x94/0x130 [ 46.436566][ T3566] __device_attach+0x359/0x570 [ 46.441303][ T3566] ? kobject_uevent_env+0x36a/0x8d0 [ 46.446475][ T3566] ? device_attach+0x20/0x20 [ 46.451038][ T3566] ? kobject_uevent_env+0x36a/0x8d0 [ 46.456211][ T3566] bus_probe_device+0xba/0x1e0 [ 46.460949][ T3566] ? device_add+0xab9/0xfd0 [ 46.465448][ T3566] device_add+0xb48/0xfd0 [ 46.469763][ T3566] usb_set_configuration+0x19dd/0x2020 [ 46.475243][ T3566] usb_generic_driver_probe+0x84/0x140 [ 46.480678][ T3566] usb_probe_device+0x130/0x260 [ 46.485501][ T3566] ? usb_register_device_driver+0x240/0x240 [ 46.491370][ T3566] really_probe+0x24e/0xb60 [ 46.495875][ T3566] __driver_probe_device+0x1a2/0x3d0 [ 46.501142][ T3566] driver_probe_device+0x50/0x420 [ 46.506141][ T3566] __device_attach_driver+0x2b9/0x500 [ 46.511488][ T3566] ? deferred_probe_work_func+0x230/0x230 [ 46.517177][ T3566] bus_for_each_drv+0x183/0x200 [ 46.522006][ T3566] ? subsys_find_device_by_id+0x310/0x310 [ 46.527696][ T3566] ? lockdep_hardirqs_on+0x94/0x130 [ 46.532877][ T3566] __device_attach+0x359/0x570 [ 46.537614][ T3566] ? kobject_uevent_env+0x36a/0x8d0 [ 46.542791][ T3566] ? device_attach+0x20/0x20 [ 46.547354][ T3566] ? kobject_uevent_env+0x36a/0x8d0 [ 46.552540][ T3566] bus_probe_device+0xba/0x1e0 [ 46.557289][ T3566] ? device_add+0xab9/0xfd0 [ 46.561770][ T3566] device_add+0xb48/0xfd0 [ 46.566095][ T3566] usb_new_device+0xc17/0x18e0 [ 46.570843][ T3566] ? usb_disconnect+0x8c0/0x8c0 [ 46.575684][ T3566] ? do_raw_spin_unlock+0x137/0x8b0 [ 46.580857][ T3566] ? _raw_spin_unlock_irq+0x1f/0x40 [ 46.586030][ T3566] ? lockdep_hardirqs_on+0x94/0x130 [ 46.591293][ T3566] hub_event+0x2cdf/0x54c0 [ 46.595709][ T3566] ? led_work+0x700/0x700 [ 46.600187][ T3566] ? read_lock_is_recursive+0x10/0x10 [ 46.605533][ T3566] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 46.611486][ T3566] ? down_read_killable_nested+0x1f0/0x350 [ 46.617265][ T3566] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 46.623139][ T3566] ? do_raw_spin_unlock+0x137/0x8b0 [ 46.628328][ T3566] process_one_work+0x8a1/0x10c0 [ 46.633271][ T3566] ? worker_detach_from_pool+0x260/0x260 [ 46.638879][ T3566] ? _raw_spin_lock_irqsave+0x120/0x120 [ 46.644397][ T3566] ? kthread_data+0x4e/0xc0 [ 46.648876][ T3566] ? wq_worker_running+0x97/0x170 [ 46.653873][ T3566] worker_thread+0xaca/0x1280 [ 46.658547][ T3566] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 46.664426][ T3566] kthread+0x3f6/0x4f0 [ 46.668467][ T3566] ? rcu_lock_release+0x20/0x20 [ 46.673290][ T3566] ? kthread_blkcg+0xd0/0xd0 [ 46.677854][ T3566] ret_from_fork+0x1f/0x30 [ 46.682250][ T3566] [ 46.685518][ T3566] ================================================================================ [ 46.694982][ T3566] Kernel panic - not